133143012203231 has 4 divisors (see below), whose sum is σ = 133143221584464. Its totient is φ = 133142802822000.

The previous prime is 133143012203203. The next prime is 133143012203239. The reversal of 133143012203231 is 132302210341331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133143012203231 is a prime.

It is a super-2 number, since 2×133143012203231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133143012203194 and 133143012203203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133143012203239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103733870 + ... + 105009531.

It is an arithmetic number, because the mean of its divisors is an integer number (33285805396116).

Almost surely, 2^{133143012203231} is an apocalyptic number.

133143012203231 is a deficient number, since it is larger than the sum of its proper divisors (209381233).

133143012203231 is an equidigital number, since it uses as much as digits as its factorization.

133143012203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209381232.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 133143012203231 its reverse (132302210341331), we get a palindrome (265445222544562).

The spelling of 133143012203231 in words is "one hundred thirty-three trillion, one hundred forty-three billion, twelve million, two hundred three thousand, two hundred thirty-one".